Home / 775,081.23-1,069,482.81-430,907.55

Finding the Fourth Proportional to 775,081.23, 1,069,482.81 and 430,907.55

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Solution

The fourth proportional to 775,081.23, 1,069,482.81 and 430,907.55 is: 594,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,081.23 : 1,069,482.81 = 430,907.55 : x
  2. Step 2: Convert to fraction form
    775,081.23/1,069,482.81 = 430,907.55/x
  3. Step 3: Cross multiply
    775,081.23x = 1,069,482.81 × 430,907.55
  4. Step 4: Simplify right side
    775,081.23x = 460,848,217,424.22
  5. Step 5: Solve for x
    x = 460,848,217,424.22/775,081.23
  6. Step 6: Final answer
    x = 594,580.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.